A hands-on look at how masks and transitions work in OpenShot Video Editor!
Masks are used in video editing to hide (or erase) parts of a video. Similar to a green-screen/chroma key effect, but far more customizable. Effective use of masks require lots of planning, and are usually easiest with a stationary camera position, so you do not have to create a different mask for each frame. The following video tutorial walks through the process of creating a custom mask in OpenShot.